…, people can take a photo based on the day’s theme and post it top Instgram using the hashtags #CheatOnGreek and #Sweepstakes. The grand prize is a $1,000 Macy’s gift card. And speaking of Macy’s, just yesterday Stoneyfield was at Macy’s in New York with Ryan Seacrest and lots and lots of samples to give away. And over in Central Park, the ladies…